/* 中国红国潮官网风 · 节日营销氛围 */
:root{
  --bg:#fff8f2;--paper:#fffdf9;--card:#fff;--ink:#2a1215;--muted:#6b4a4e;--line:#f0d8d4;
  --brand:#e10600;--brand-d:#b80500;--gold:#d4a017;--gold-l:#f5e6b8;--navy:#3b0a0e;
  --max:1160px;--r:14px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:
  radial-gradient(circle at 8% 6%,rgba(212,160,23,.12),transparent 26%),
  radial-gradient(circle at 92% 4%,rgba(225,6,0,.08),transparent 24%),
  linear-gradient(180deg,#fff5ee 0%,var(--bg) 40%,#fff8f2 100%);color:var(--ink);line-height:1.7}
a{color:inherit;text-decoration:none}img{max-width:100%;display:block}button{font:inherit}
.wrap{width:min(100% - 32px,var(--max));margin-inline:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,253,249,.95);backdrop-filter:none;border-bottom:2px solid var(--gold-l)}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:68px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800}
.logo-mark{width:36px;height:36px;border-radius:10px;background:linear-gradient(145deg,#ff4d4d,var(--brand));color:#fff;display:grid;place-items:center;font-size:13px;box-shadow:0 0 0 2px var(--gold-l)}
.nav-links{display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-size:13px}
.nav-links a{padding:7px 12px;border-radius:999px;color:var(--muted)}
.nav-links a:hover{background:#fff0eb;color:var(--brand)}
.nav-links a.t-active{background:#ffe8e6;color:var(--brand);font-weight:700}
.nav-cta{background:linear-gradient(135deg,var(--brand),#ff3b30)!important;color:#fff!important;font-weight:700;box-shadow:0 6px 16px rgba(225,6,0,.25)}
.nav-sep{width:1px;height:14px;background:var(--line);margin:0 4px}
.festival-bar{background:linear-gradient(90deg,#8b0000,var(--brand) 40%,#ff3b30 70%,#d4a017);color:#fff;text-align:center;padding:8px 16px;font-size:13px;font-weight:600;letter-spacing:.04em}
.festival-bar span{opacity:.9;margin:0 8px}
.hero{position:relative;overflow:hidden;color:#fff;background:
  radial-gradient(ellipse 48% 58% at 90% 28%,rgba(225,6,0,.55) 0%,transparent 55%),
  radial-gradient(ellipse 70% 60% at 12% 40%,#4a0a12 0%,transparent 55%),
  linear-gradient(165deg,#1a0508 0%,#3b0a0e 42%,#1a080c 100%)}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(circle at 18% 22%,rgba(212,160,23,.18),transparent 20%),
  radial-gradient(circle at 78% 18%,rgba(255,80,60,.2),transparent 18%);pointer-events:none;z-index:1}
.skyline{position:absolute;inset:auto 0 0 0;height:160px;opacity:.3;pointer-events:none;z-index:1}
.cloud-deco{position:absolute;top:24px;left:6%;width:120px;height:40px;opacity:.25;z-index:1;pointer-events:none}
.lantern{position:absolute;top:18px;right:8%;width:28px;height:40px;background:linear-gradient(180deg,#ff6b5a,var(--brand));border-radius:14px 14px 8px 8px;box-shadow:0 0 20px rgba(225,6,0,.5);z-index:1;opacity:.7}
.lantern::after{content:"";position:absolute;bottom:-10px;left:50%;transform:translateX(-50%);width:2px;height:10px;background:var(--gold)}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;padding:56px 0 72px}
.kicker{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(212,160,23,.15);border:1px solid rgba(212,160,23,.45);font-size:12px;color:#f5e6b8;margin-bottom:14px}
.kicker i{width:8px;height:8px;border-radius:50%;background:var(--gold)}
.hero h1{margin:0 0 12px;font-size:clamp(26px,3.8vw,42px);line-height:1.2;font-weight:800;text-shadow:0 2px 12px rgba(0,0,0,.35)}
.hero-lead{margin:0 0 16px;color:#f0c8c4;font-size:15px;max-width:52ch}
.safe-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.safe-tags span{padding:7px 12px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(212,160,23,.35);font-size:12px;color:#f5e6b8}
.platform-pills{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.platform-pills button{border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.06);color:#fff5f2;padding:8px 14px;border-radius:999px;cursor:pointer}
.platform-pills button.is-on{background:linear-gradient(135deg,var(--gold-l),#fff);color:#3b0a0e;font-weight:700;border-color:var(--gold)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:700;border:1px solid transparent;cursor:pointer}
.btn-primary{background:linear-gradient(135deg,#ff3b30,var(--brand));color:#fff;box-shadow:0 12px 28px rgba(225,6,0,.4)}
.btn-primary:hover{background:var(--brand-d)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(212,160,23,.5)}
.btn-ghost:hover{background:rgba(212,160,23,.12)}
.btn-line{background:#fff;color:var(--ink);border-color:var(--line)}
.btn-line:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{padding:8px 14px;font-size:13px}
.meta-row{display:flex;flex-wrap:wrap;gap:10px 16px;font-size:12px;color:#e0b0ac;margin-bottom:12px}
.update-list{margin:0;padding-left:18px;color:#f0c8c4;font-size:13px}
.update-list li{margin:4px 0}
.mock-wrap{position:relative;perspective:1000px}
.mock{background:linear-gradient(180deg,#4a1a1e,#2a0c10);border:1px solid rgba(212,160,23,.35);border-radius:14px;padding:14px;box-shadow:0 30px 60px rgba(0,0,0,.45),0 0 0 1px rgba(225,6,0,.2);transform:rotateY(-5deg) rotateX(2deg)}
.mock-bar{height:12px;display:flex;gap:6px;margin-bottom:10px}
.mock-bar span{width:9px;height:9px;border-radius:50%;background:#8a5050}
.mock-screen{display:grid;grid-template-columns:1.3fr .9fr;gap:8px;background:#1a080c;border-radius:10px;overflow:hidden;min-height:250px}
.mock-chart{padding:10px;position:relative}
.mock-chart img{width:100%;height:150px;object-fit:cover;border-radius:8px;opacity:.92}
.chart-line{position:absolute;left:16px;right:16px;top:50%;height:2px;background:linear-gradient(90deg,transparent,var(--gold),transparent);opacity:.55}
.mock-side{border-left:1px solid rgba(255,255,255,.06);padding:10px;font-size:11px}
.mock-side h4{margin:0 0 8px;color:#f5e6b8;font-weight:600;font-size:11px}
.stk{display:flex;justify-content:space-between;padding:5px 0;border-bottom:1px solid rgba(255,255,255,.05);color:#ffe8e6}
.stk em{font-style:normal;color:#ff9a90}
.badge-adfree{position:absolute;top:-8px;right:-6px;background:linear-gradient(135deg,#ff3b30,var(--brand));color:#fff;font-size:12px;font-weight:800;padding:10px 14px;transform:rotate(12deg);border-radius:8px;box-shadow:0 10px 24px rgba(225,6,0,.45);z-index:2;border:1px solid var(--gold)}
.section{padding:68px 0}
.section-head{text-align:center;margin-bottom:32px}
.section-head h2{margin:0 0 10px;font-size:clamp(22px,3vw,32px);color:var(--navy)}
.section-head h2::after{content:"";display:block;width:48px;height:3px;background:linear-gradient(90deg,var(--brand),var(--gold));margin:10px auto 0;border-radius:2px}
.section-head p{margin:0 auto;max-width:56ch;color:var(--muted)}
.guochao{background:var(--paper);border:2px solid var(--gold-l);border-radius:16px;padding:28px 32px;box-shadow:0 12px 32px rgba(225,6,0,.08);max-width:900px;margin:0 auto;position:relative;overflow:hidden}
.guochao::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--brand),var(--gold),var(--brand))}
.guochao-meta{display:flex;flex-wrap:wrap;gap:10px 18px;font-size:12px;color:var(--muted);margin-bottom:14px;padding-bottom:12px;border-bottom:1px dashed var(--line)}
.guochao h3{margin:0 0 10px;font-size:22px;color:var(--brand)}
.guochao p{margin:0 0 12px;color:var(--muted);font-size:15px}
.guochao ul{margin:0;padding-left:20px;color:var(--muted);font-size:14px}
.guochao li{margin:6px 0}
.platforms{display:grid;gap:14px}
.plat-pc{position:relative;overflow:hidden;display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;background:linear-gradient(120deg,#fff 0%,#fff0eb 55%,#fff8e8 100%);border:2px solid #f0c8c0;border-radius:var(--r);padding:26px;box-shadow:0 12px 32px rgba(225,6,0,.1)}
.ribbon{position:absolute;top:16px;left:-30px;background:linear-gradient(135deg,var(--brand),#ff3b30);color:#fff;font-size:12px;font-weight:800;padding:6px 40px;transform:rotate(-45deg)}
.plat-ico{width:58px;height:58px;border-radius:12px;background:linear-gradient(145deg,#ff4d4d,var(--brand));display:grid;place-items:center;font-size:22px;color:#fff;box-shadow:0 0 0 3px var(--gold-l)}
.plat-pc h3{margin:0 0 6px;font-size:20px}
.plat-pc p{margin:0;color:var(--muted);font-size:14px}
.plat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.plat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;text-align:center}
.plat-card h3{margin:0 0 8px;font-size:15px}
.plat-card p{margin:0 0 12px;color:var(--muted);font-size:13px}
.feat{display:grid;gap:22px}
.feat-row{display:grid;grid-template-columns:1fr 1fr;gap:0;align-items:center;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);overflow:hidden;box-shadow:0 8px 24px rgba(59,10,14,.06)}
.feat-row.reverse .feat-media{order:2}
.feat-media img{width:100%;height:250px;object-fit:cover}
.feat-body{padding:28px}
.feat-body .pill{display:inline-block;margin-bottom:8px;padding:4px 10px;border-radius:999px;background:linear-gradient(135deg,#ffe8e6,var(--gold-l));color:var(--brand);font-size:12px;font-weight:700}
.feat-body h3{margin:0 0 8px;font-size:20px}
.feat-body p{margin:0;color:var(--muted);font-size:14px}
.more-feats{margin-top:22px}
.more-feats summary{cursor:pointer;list-style:none;padding:14px 18px;background:linear-gradient(135deg,#fff,#fff5f0);border:1px solid var(--line);border-radius:999px;font-weight:700;text-align:center}
.more-feats summary::-webkit-details-marker{display:none}
.more-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:12px}
.more-item{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:14px}
.more-item h4{margin:0 0 4px;font-size:14px;color:var(--brand)}
.more-item p{margin:0;font-size:13px;color:var(--muted)}
.community{padding:68px 0;background:linear-gradient(135deg,#5c0a2a 0%,#a01818 45%,#d46a1a 100%)}
.community .section-head h2,.community .section-head p{color:#fff}
.community .section-head h2::after{background:linear-gradient(90deg,#fff,var(--gold))}
.community .section-head p{opacity:.92}
.phones{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:720px;margin:0 auto}
.phone{background:#120608;border:3px solid #3a1520;border-radius:28px;padding:12px;box-shadow:0 24px 48px rgba(0,0,0,.35);max-width:280px;margin:0 auto;width:100%}
.phone-notch{width:40%;height:8px;background:#3a1520;border-radius:0 0 8px 8px;margin:0 auto 10px}
.feed{background:#1a0a0e;border-radius:18px;padding:12px;min-height:300px}
.feed-item{padding:10px 0;border-bottom:1px solid #2a1218}
.feed-item:last-child{border:0}
.feed-item strong{display:block;font-size:13px;margin-bottom:4px;color:#fff}
.feed-item span{font-size:12px;color:#d0a8a8}
.site-footer{background:#1a080c;color:#f0c8c4;padding:52px 0 28px}
.qr-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:32px}
.qr-box{text-align:center}
.qr-fake{width:84px;height:84px;margin:0 auto 8px;background:
  repeating-linear-gradient(0deg,#3a1520 0 4px,transparent 4px 8px),
  repeating-linear-gradient(90deg,#3a1520 0 4px,transparent 4px 8px),#120608;border:1px solid #5a2030;border-radius:8px}
.qr-box span{font-size:12px;color:#a87878}
.foot-links{display:flex;flex-wrap:wrap;gap:12px 18px;margin-bottom:16px;font-size:14px}
.foot-links a:hover{color:#fff}
.foot-contact{font-size:13px;color:#a87878;margin-bottom:14px}
.foot-copy{font-size:12px;color:#6a4040;border-top:1px solid #2a1218;padding-top:14px}
.page-hero{padding:44px 0 16px;background:linear-gradient(180deg,#ffe8e6,#fff8f2)}
.page-hero h1{margin:0 0 10px;font-size:clamp(24px,3vw,34px);color:var(--navy)}
.page-hero p{margin:0;color:var(--muted);max-width:60ch}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:12px}
.crumbs a{color:var(--brand)}
.card-list{display:grid;gap:12px}
.dl-card,.faq-item{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.dl-card{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center}
.dl-card h2,.faq-item h2{margin:0 0 8px;font-size:17px}
.dl-card p,.faq-item p{margin:0;color:var(--muted);font-size:14px}
@media (max-width:900px){
  .hero-grid,.feat-row,.feat-row.reverse .feat-media,.plat-pc,.phones,.plat-grid,.more-grid,.qr-grid,.dl-card{grid-template-columns:1fr}
  .feat-row.reverse .feat-media{order:0}
  .plat-pc{justify-items:start}
  .hide-sm{display:none!important}
  .guochao{padding:20px}
  .lantern,.cloud-deco{display:none}
}

/* perf */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}
.site-header{backdrop-filter:none!important;-webkit-backdrop-filter:none!important}
.feat-media img,.mock-chart img,.feat-row img{content-visibility:auto}
.community,.site-footer{content-visibility:auto;contain-intrinsic-size:800px}
img{height:auto}